git.m6w6.name Git - m6w6/libmemcached/blob - tests/mem_udp.cc

   1 /* libMemcached Functions Test
   2  * Copyright (C) 2006-2009 Brian Aker
   3  * All rights reserved.
   4  *
   5  * Use and distribution licensed under the BSD license.  See
   6  * the COPYING file in the parent directory for full text.
   7  */
   8
   9 /*
  10   Sample test application.
  11 */
  12
  13 #include <config.h>
  14 #include <libtest/test.hpp>
  15
  16 using namespace libtest;
  17
  18 #include <libmemcached-1.0/memcached.h>
  19 #include <libmemcached/server_instance.h>
  20 #include <libmemcached/io.h>
  21 #include <libmemcachedutil-1.0/util.h>
  22
  23 #include <cassert>
  24 #include <cstdio>
  25 #include <cstdlib>
  26 #include <cstring>
  27 #include <sys/time.h>
  28 #include <sys/types.h>
  29 #include <sys/stat.h>
  30 #include <signal.h>
  31 #include <unistd.h>
  32 #include <time.h>
  33
  34 #include <libtest/server.h>
  35
  36 #ifndef __INTEL_COMPILER
  37 #pragma GCC diagnostic ignored "-Wstrict-aliasing"
  38 #endif
  39
  40 /**
  41   @note This should be testing to see if the server really supports the binary protocol.
  42 */
  43 static test_return_t pre_binary(memcached_st *memc)
  44 {
  45   memcached_st *memc_clone= memcached_clone(NULL, memc);
  46   test_true(memc_clone);
  47
  48   // The memcached_version needs to be done on a clone, because the server
  49   // will not toggle protocol on an connection.
  50   memcached_version(memc_clone);
  51
  52   test_compare(MEMCACHED_SUCCESS, memcached_version(memc));
  53   test_compare(true, libmemcached_util_version_check(memc, 1, 2, 1));
  54   test_compare(MEMCACHED_SUCCESS, memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_BINARY_PROTOCOL, true));
  55   test_compare(true, memcached_behavior_get(memc, MEMCACHED_BEHAVIOR_BINARY_PROTOCOL));
  56
  57   memcached_free(memc_clone);
  58
  59   return TEST_SUCCESS;
  60 }
  61
  62 typedef std::vector<uint16_t> Expected;
  63
  64 static void increment_request_id(uint16_t *id)
  65 {
  66   (*id)++;
  67   if ((*id & UDP_REQUEST_ID_THREAD_MASK) != 0)
  68   {
  69     *id= 0;
  70   }
  71 }
  72
  73 static void get_udp_request_ids(memcached_st *memc, Expected &ids)
  74 {
  75   for (uint32_t x= 0; x < memcached_server_count(memc); x++)
  76   {
  77     memcached_server_instance_st instance= memcached_server_instance_by_position(memc, x);
  78
  79     ids.push_back(get_udp_datagram_request_id((struct udp_datagram_header_st *) ((memcached_server_instance_st )instance)->write_buffer));
  80   }
  81 }
  82
  83 static test_return_t post_udp_op_check(memcached_st *memc, Expected& expected_req_ids)
  84 {
  85   (void)memc;
  86   (void)expected_req_ids;
  87 #if 0
  88   memcached_server_st *cur_server = memcached_server_list(memc);
  89   uint16_t *cur_req_ids = get_udp_request_ids(memc);
  90
  91   for (size_t x= 0; x < memcached_server_count(memc); x++)
  92   {
  93     test_true(cur_server[x].cursor_active == 0);
  94     test_true(cur_req_ids[x] == expected_req_ids[x]);
  95   }
  96   free(expected_req_ids);
  97   free(cur_req_ids);
  98
  99 #endif
 100   return TEST_SUCCESS;
 101 }
 102
 103 /*
 104 ** There is a little bit of a hack here, instead of removing
 105 ** the servers, I just set num host to 0 and them add then new udp servers
 106 **/
 107 static test_return_t init_udp(memcached_st *memc)
 108 {
 109   test_skip(MEMCACHED_SUCCESS, memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_USE_UDP, true));
 110
 111   return TEST_SUCCESS;
 112 }
 113
 114 static test_return_t binary_init_udp(memcached_st *memc)
 115 {
 116   test_skip(TEST_SUCCESS, pre_binary(memc));
 117
 118   return init_udp(memc);
 119 }
 120
 121 /* Make sure that I cant add a tcp server to a udp client */
 122 static test_return_t add_tcp_server_udp_client_test(memcached_st *memc)
 123 {
 124   (void)memc;
 125 #if 0
 126   memcached_server_st server;
 127   memcached_server_instance_st instance=
 128     memcached_server_instance_by_position(memc, 0);
 129   memcached_server_clone(&server, &memc->hosts[0]);
 130   test_true(memcached_server_remove(&(memc->hosts[0])) == MEMCACHED_SUCCESS);
 131   test_true(memcached_server_add(memc, server.hostname, server.port) == MEMCACHED_INVALID_HOST_PROTOCOL);
 132 #endif
 133   return TEST_SUCCESS;
 134 }
 135
 136 /* Make sure that I cant add a udp server to a tcp client */
 137 static test_return_t add_udp_server_tcp_client_test(memcached_st *memc)
 138 {
 139   (void)memc;
 140 #if 0
 141   memcached_server_st server;
 142   memcached_server_instance_st instance=
 143     memcached_server_instance_by_position(memc, 0);
 144   memcached_server_clone(&server, &memc->hosts[0]);
 145   test_true(memcached_server_remove(&(memc->hosts[0])) == MEMCACHED_SUCCESS);
 146
 147   memcached_st tcp_client;
 148   memcached_create(&tcp_client);
 149   test_true(memcached_server_add_udp(&tcp_client, server.hostname, server.port) == MEMCACHED_INVALID_HOST_PROTOCOL);
 150 #endif
 151
 152   return TEST_SUCCESS;
 153 }
 154
 155 static test_return_t set_udp_behavior_test(memcached_st *memc)
 156 {
 157   memcached_quit(memc);
 158
 159   test_compare(MEMCACHED_SUCCESS, memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_DISTRIBUTION, memc->distribution));
 160   test_compare(MEMCACHED_SUCCESS, memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_USE_UDP, true));
 161   test_true(memc->flags.use_udp);
 162   test_true(memc->flags.no_reply);
 163
 164   test_compare(MEMCACHED_SUCCESS, memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_USE_UDP, false));
 165   test_false(memc->flags.use_udp);
 166   test_compare(MEMCACHED_SUCCESS, memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_NOREPLY, false));
 167   test_false(memc->flags.no_reply);
 168
 169   return TEST_SUCCESS;
 170 }
 171
 172 static test_return_t udp_set_test(memcached_st *memc)
 173 {
 174   unsigned int num_iters= 1025; //request id rolls over at 1024
 175
 176   test_true(memc);
 177
 178   for (size_t x= 0; x < num_iters;x++)
 179   {
 180     Expected expected_ids;
 181     get_udp_request_ids(memc, expected_ids);
 182     unsigned int server_key= memcached_generate_hash(memc, test_literal_param("foo"));
 183     memcached_server_instance_st instance= memcached_server_instance_by_position(memc, server_key);
 184     size_t init_offset= instance->write_buffer_offset;
 185
 186     memcached_return_t rc= memcached_set(memc, test_literal_param("foo"),
 187                                          test_literal_param("when we sanitize"),
 188                                          time_t(0), uint32_t(0));
 189     test_true(rc == MEMCACHED_SUCCESS or rc == MEMCACHED_BUFFERED);
 190     /** NB, the check below assumes that if new write_ptr is less than
 191      *  the original write_ptr that we have flushed. For large payloads, this
 192      *  maybe an invalid assumption, but for the small payload we have it is OK
 193      */
 194     if (rc == MEMCACHED_SUCCESS or instance->write_buffer_offset < init_offset)
 195     {
 196       increment_request_id(&expected_ids[server_key]);
 197     }
 198
 199     if (rc == MEMCACHED_SUCCESS)
 200     {
 201       test_true(instance->write_buffer_offset == UDP_DATAGRAM_HEADER_LENGTH);
 202     }
 203     else
 204     {
 205       test_true(instance->write_buffer_offset != UDP_DATAGRAM_HEADER_LENGTH);
 206       test_true(instance->write_buffer_offset <= MAX_UDP_DATAGRAM_LENGTH);
 207     }
 208
 209     test_compare(TEST_SUCCESS, post_udp_op_check(memc, expected_ids));
 210   }
 211
 212   return TEST_SUCCESS;
 213 }
 214
 215 static test_return_t udp_buffered_set_test(memcached_st *memc)
 216 {
 217   test_true(memc);
 218   test_compare(MEMCACHED_INVALID_ARGUMENTS, memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_BUFFER_REQUESTS, true));
 219   return TEST_SUCCESS;
 220 }
 221
 222 static test_return_t udp_set_too_big_test(memcached_st *memc)
 223 {
 224   test_true(memc);
 225   char value[MAX_UDP_DATAGRAM_LENGTH];
 226   Expected expected_ids;
 227   get_udp_request_ids(memc, expected_ids);
 228
 229   memset(value, int('f'), sizeof(value));
 230
 231   test_compare_hint(MEMCACHED_WRITE_FAILURE, memcached_set(memc, test_literal_param("bar"), value, sizeof(value), time_t(0), uint32_t(0)),
 232                     memcached_last_error_message(memc));
 233
 234   return post_udp_op_check(memc, expected_ids);
 235 }
 236
 237 static test_return_t udp_delete_test(memcached_st *memc)
 238 {
 239   test_true(memc);
 240
 241   //request id rolls over at 1024
 242   for (size_t x= 0; x < 1025; x++)
 243   {
 244     Expected expected_ids;
 245     get_udp_request_ids(memc, expected_ids);
 246
 247     unsigned int server_key= memcached_generate_hash(memc, test_literal_param("foo"));
 248     memcached_server_instance_st instance= memcached_server_instance_by_position(memc, server_key);
 249     size_t init_offset= instance->write_buffer_offset;
 250
 251     memcached_return_t rc= memcached_delete(memc, test_literal_param("foo"), 0);
 252     test_true(rc == MEMCACHED_SUCCESS or rc == MEMCACHED_BUFFERED);
 253
 254     if (rc == MEMCACHED_SUCCESS or instance->write_buffer_offset < init_offset)
 255     {
 256       increment_request_id(&expected_ids[server_key]);
 257     }
 258
 259     if (rc == MEMCACHED_SUCCESS)
 260     {
 261       test_true(instance->write_buffer_offset == UDP_DATAGRAM_HEADER_LENGTH);
 262     }
 263     else
 264     {
 265       test_true(instance->write_buffer_offset != UDP_DATAGRAM_HEADER_LENGTH);
 266       test_true(instance->write_buffer_offset <= MAX_UDP_DATAGRAM_LENGTH);
 267     }
 268     test_compare(TEST_SUCCESS, post_udp_op_check(memc, expected_ids));
 269   }
 270
 271   return TEST_SUCCESS;
 272 }
 273
 274 static test_return_t udp_buffered_delete_test(memcached_st *memc)
 275 {
 276   memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_BUFFER_REQUESTS, 1);
 277   return udp_delete_test(memc);
 278 }
 279
 280 static test_return_t udp_verbosity_test(memcached_st *memc)
 281 {
 282   Expected expected_ids;
 283   get_udp_request_ids(memc, expected_ids);
 284
 285   for (size_t x= 0; x < memcached_server_count(memc); x++)
 286   {
 287     increment_request_id(&expected_ids[x]);
 288   }
 289
 290   test_compare(MEMCACHED_SUCCESS, memcached_verbosity(memc, 3));
 291
 292   return post_udp_op_check(memc, expected_ids);
 293 }
 294
 295 static test_return_t udp_quit_test(memcached_st *memc)
 296 {
 297   Expected expected_ids;
 298   memcached_quit(memc);
 299
 300   return post_udp_op_check(memc, expected_ids);
 301 }
 302
 303 static test_return_t udp_flush_test(memcached_st *memc)
 304 {
 305   Expected expected_ids;
 306   get_udp_request_ids(memc, expected_ids);
 307
 308   for (size_t x= 0; x < memcached_server_count(memc); x++)
 309   {
 310     increment_request_id(&expected_ids[x]);
 311   }
 312   test_compare_hint(MEMCACHED_SUCCESS, memcached_flush(memc, 0), memcached_last_error_message(memc));
 313
 314   return post_udp_op_check(memc, expected_ids);
 315 }
 316
 317 static test_return_t udp_incr_test(memcached_st *memc)
 318 {
 319   test_compare(MEMCACHED_SUCCESS, memcached_set(memc, test_literal_param("incr"),
 320                                                 test_literal_param("1"),
 321                                                 (time_t)0, (uint32_t)0));
 322
 323   Expected expected_ids;
 324   get_udp_request_ids(memc, expected_ids);
 325
 326   unsigned int server_key= memcached_generate_hash(memc, test_literal_param("incr"));
 327   increment_request_id(&expected_ids[server_key]);
 328
 329   uint64_t newvalue;
 330   test_compare(MEMCACHED_SUCCESS, memcached_increment(memc, test_literal_param("incr"), 1, &newvalue));
 331
 332   return post_udp_op_check(memc, expected_ids);
 333 }
 334
 335 static test_return_t udp_decr_test(memcached_st *memc)
 336 {
 337   test_compare(MEMCACHED_SUCCESS, memcached_set(memc,
 338                                                 test_literal_param("decr"),
 339                                                 test_literal_param("1"),
 340                                                 (time_t)0, (uint32_t)0));
 341
 342   Expected expected_ids;
 343   get_udp_request_ids(memc, expected_ids);
 344
 345   unsigned int server_key= memcached_generate_hash(memc, test_literal_param("decr"));
 346   increment_request_id(&expected_ids[server_key]);
 347
 348   uint64_t newvalue;
 349   test_compare(MEMCACHED_SUCCESS, memcached_decrement(memc, test_literal_param("decr"), 1, &newvalue));
 350
 351   return post_udp_op_check(memc, expected_ids);
 352 }
 353
 354
 355 static test_return_t udp_stat_test(memcached_st *memc)
 356 {
 357   memcached_return_t rc;
 358   char args[]= "";
 359   Expected expected_ids;
 360   get_udp_request_ids(memc, expected_ids);
 361   memcached_stat_st *rv= memcached_stat(memc, args, &rc);
 362   memcached_stat_free(memc, rv);
 363   test_compare(MEMCACHED_NOT_SUPPORTED, rc);
 364
 365   return post_udp_op_check(memc, expected_ids);
 366 }
 367
 368 static test_return_t udp_version_test(memcached_st *memc)
 369 {
 370   Expected expected_ids;
 371   get_udp_request_ids(memc, expected_ids);
 372
 373   test_compare(MEMCACHED_NOT_SUPPORTED, memcached_version(memc));
 374
 375   return post_udp_op_check(memc, expected_ids);
 376 }
 377
 378 static test_return_t udp_get_test(memcached_st *memc)
 379 {
 380   memcached_return_t rc;
 381   size_t vlen;
 382   Expected expected_ids;
 383   get_udp_request_ids(memc, expected_ids);
 384   test_null(memcached_get(memc, test_literal_param("foo"), &vlen, (uint32_t)0, &rc));
 385   test_compare(MEMCACHED_NOT_SUPPORTED, rc);
 386
 387   return post_udp_op_check(memc, expected_ids);
 388 }
 389
 390 static test_return_t udp_mixed_io_test(memcached_st *memc)
 391 {
 392   test_st mixed_io_ops [] ={
 393     {"udp_set_test", 0,
 394       (test_callback_fn*)udp_set_test},
 395     {"udp_set_too_big_test", 0,
 396       (test_callback_fn*)udp_set_too_big_test},
 397     {"udp_delete_test", 0,
 398       (test_callback_fn*)udp_delete_test},
 399     {"udp_verbosity_test", 0,
 400       (test_callback_fn*)udp_verbosity_test},
 401     {"udp_quit_test", 0,
 402       (test_callback_fn*)udp_quit_test},
 403 #if 0
 404     {"udp_flush_test", 0,
 405       (test_callback_fn*)udp_flush_test},
 406 #endif
 407     {"udp_incr_test", 0,
 408       (test_callback_fn*)udp_incr_test},
 409     {"udp_decr_test", 0,
 410       (test_callback_fn*)udp_decr_test},
 411     {"udp_version_test", 0,
 412       (test_callback_fn*)udp_version_test}
 413   };
 414
 415   for (size_t x= 0; x < 500; x++)
 416   {
 417     test_st current_op= mixed_io_ops[(random() % 8)];
 418     test_compare(TEST_SUCCESS, current_op.test_fn(memc));
 419   }
 420   return TEST_SUCCESS;
 421 }
 422
 423 test_st udp_setup_server_tests[] ={
 424   {"set_udp_behavior_test", 0, (test_callback_fn*)set_udp_behavior_test},
 425   {"add_tcp_server_udp_client_test", 0, (test_callback_fn*)add_tcp_server_udp_client_test},
 426   {"add_udp_server_tcp_client_test", 0, (test_callback_fn*)add_udp_server_tcp_client_test},
 427   {0, 0, 0}
 428 };
 429
 430 test_st upd_io_tests[] ={
 431   {"udp_set_test", 0, (test_callback_fn*)udp_set_test},
 432   {"udp_buffered_set_test", 0, (test_callback_fn*)udp_buffered_set_test},
 433   {"udp_set_too_big_test", 0, (test_callback_fn*)udp_set_too_big_test},
 434   {"udp_delete_test", 0, (test_callback_fn*)udp_delete_test},
 435   {"udp_buffered_delete_test", 0, (test_callback_fn*)udp_buffered_delete_test},
 436   {"udp_verbosity_test", 0, (test_callback_fn*)udp_verbosity_test},
 437   {"udp_quit_test", 0, (test_callback_fn*)udp_quit_test},
 438   {"udp_flush_test", 0, (test_callback_fn*)udp_flush_test},
 439   {"udp_incr_test", 0, (test_callback_fn*)udp_incr_test},
 440   {"udp_decr_test", 0, (test_callback_fn*)udp_decr_test},
 441   {"udp_stat_test", 0, (test_callback_fn*)udp_stat_test},
 442   {"udp_version_test", 0, (test_callback_fn*)udp_version_test},
 443   {"udp_get_test", 0, (test_callback_fn*)udp_get_test},
 444   {"udp_mixed_io_test", 0, (test_callback_fn*)udp_mixed_io_test},
 445   {0, 0, 0}
 446 };
 447
 448 collection_st collection[] ={
 449   {"udp_setup", (test_callback_fn*)init_udp, 0, udp_setup_server_tests},
 450   {"udp_io", (test_callback_fn*)init_udp, 0, upd_io_tests},
 451   {"udp_binary_io", (test_callback_fn*)binary_init_udp, 0, upd_io_tests},
 452   {0, 0, 0, 0}
 453 };
 454
 455 #define TEST_PORT_BASE MEMCACHED_DEFAULT_PORT +10
 456 #include "libmemcached_world.h"
 457
 458 void get_world(Framework *world)
 459 {
 460   world->collections= collection;
 461
 462   world->_create= (test_callback_create_fn*)world_create;
 463   world->_destroy= (test_callback_destroy_fn*)world_destroy;
 464
 465   world->item._startup= (test_callback_fn*)world_test_startup;
 466   world->item._flush= (test_callback_fn*)world_flush;
 467   world->item.set_pre((test_callback_fn*)world_pre_run);
 468   world->item.set_post((test_callback_fn*)world_post_run);
 469   world->_on_error= (test_callback_error_fn*)world_on_error;
 470
 471   world->collection_startup= (test_callback_fn*)world_container_startup;
 472   world->collection_shutdown= (test_callback_fn*)world_container_shutdown;
 473
 474   world->set_runner(&defualt_libmemcached_runner);
 475 }